CN213185779U - Speed reducing motor - Google Patents
Speed reducing motor Download PDFInfo
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- CN213185779U CN213185779U CN202021362509.8U CN202021362509U CN213185779U CN 213185779 U CN213185779 U CN 213185779U CN 202021362509 U CN202021362509 U CN 202021362509U CN 213185779 U CN213185779 U CN 213185779U
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Abstract
The utility model discloses a speed reducing motor, which comprises a motor body, a fixed shaft wheel train, a speed reducing mechanism and a speed reducing output shaft, wherein the motor body comprises a motor shaft; the fixed axle gear train is connected with the motor shaft and is used for transmitting the torque of the motor body; the speed reducing mechanism is a planetary gear train mechanism, the planetary gear train mechanism comprises a sun gear, a dual-tooth planet gear, a fixed inner gear ring, a movable inner gear ring and a planet support, the planetary gear train mechanism comprises at least two dual-tooth planet gears, the sun gear is connected with a fixed shaft gear train, one side of the inner side of each dual-tooth planet gear is meshed with the outer side of the sun gear, and the outer sides of the dual-tooth planet gears are respectively meshed with the inner sides of the fixed inner gear ring and the movable inner gear ring; the speed reduction output shaft penetrates through the ordinary gear train and the speed reduction mechanism, the speed reduction output shaft is parallel to the motor shaft, and the speed reduction output shaft is fixedly connected with the planet support. The utility model provides a reducible gear motor's of gear motor space size can realize great reduction ratio, and then improves gear motor's load capacity.
Description
Technical Field
The utility model relates to a gear motor.
Background
The motor shaft of the reduction motor in the related art is either coaxial with the reduction output shaft or perpendicular to the reduction output shaft, so that the reduction motor is oversized. The last stage of the speed reducing mechanism of the speed reducing motor in the related art is a simple compound gear mechanism, the speed reducing ratio is relatively small, the whole load capacity of the speed reducing motor is limited, and the energy density is small, so that the speed reducing motor with small space size and large whole load capacity needs to be provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a gear motor with small space size and large whole load capacity.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a geared motor, comprising:
a motor body including a motor shaft;
the ordinary gear train is connected to the motor shaft and used for transmitting the torque of the motor body;
the speed reducing mechanism is a planetary gear train mechanism, the planetary gear train mechanism comprises a sun gear connected with the fixed-axis gear train, a planetary gear meshed with the outer side of the sun gear, a fixed inner gear ring meshed with the outer side of the planetary gear and a planetary support supporting the planetary gear, the planetary gear is a duplicate gear, one side of the outer side of the planetary gear is connected with the sun gear, and the other side of the outer side of the planetary gear is meshed with the inner side of the fixed inner gear ring;
the speed reduction output shaft penetrates through the fixed shaft gear train and the speed reduction mechanism, the speed reduction output shaft is parallel to the motor shaft, and the speed reduction output shaft is fixedly connected with the planet support.
Further, the ordinary gear train comprises a first gear and a second gear meshed with the first gear, the first gear is connected with the motor shaft, and the second gear is connected with the sun gear.
Further, the second gear and the sun gear are duplicate gears.
Further, at least one third gear is meshed between the first gear and the second gear.
Further, the motor body and the speed reducing mechanism are both located on the same side of the speed reducing output shaft.
Further, the speed reduction motor also comprises a position element which is arranged at the end part of the speed reduction output shaft and is used for measuring the rotating speed or the deflection angle of the speed reduction output shaft, and the speed reduction output shaft is connected to the center of the position element.
Further, the position element is cut out of a side portion in the axial direction by a cylindrical member and forms a photosensitive surface extending in the axial direction.
Further, the position element comprises a plurality of circumferentially connected pole pieces, with adjacent pole pieces being oppositely poled; alternatively, the first and second electrodes may be,
the position element includes a plurality of circumferentially spaced pole pieces.
Furthermore, the position element is of a grating structure, the grating structure comprises a fixed disc, a plurality of grooves which are arranged at intervals along the circumferential direction are formed in the periphery of the fixed disc, and the speed reduction output shaft is connected to the central position of the fixed disc.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a gear motor, through setting up the reduction output shaft with the motor shaft is parallel, reducible gear motor's space size, and preferred motor body and reduction gears all lie in one side of reduction output shaft, so, reduce gear motor's whole axial dimensions, realize the speed reduction through planetary gear train mechanism, can realize great reduction ratio, and then improve gear motor's load carrying capacity, just the reduction output shaft runs through the dead axle train with reduction gears can increase the load of reduction output shaft.
Drawings
Fig. 1 is a schematic view of a speed reduction motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of two position elements in the speed reduction motor provided by the present invention;
fig. 3 is a schematic structural diagram of another position element in the speed reduction motor provided by the present invention;
fig. 4 is a schematic structural diagram of another position element in the speed reduction motor provided by the present invention;
fig. 5 is a schematic structural diagram of another position element in the speed reduction motor provided by the present invention.
In the figure:
100. a reduction motor; 1. a motor body; 11. a motor shaft; 2. a fixed-axis gear train; 3. a speed reduction mechanism; 311. a sun gear; 312. a double-tooth planet wheel; 313. fixing the inner gear ring; 314. a movable inner gear ring; 315. a planet carrier; 4. a deceleration output shaft; 21. a first gear; 22. a second gear; 23. a third gear; 5. a position element; 51. a magnetic pole part; 52. a magnet; 53/53', a fixed disc; 530. a groove; 531/531', a central aperture.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1 to 5, a geared motor 100 includes:
the motor comprises a motor body 1, wherein the motor body 1 comprises a motor shaft 11;
the ordinary gear train 2 is connected to the motor shaft 11 and is used for transmitting the torque of the motor body 1;
the speed reducing mechanism 3 is a planetary gear train mechanism, the planetary gear train mechanism comprises a sun gear 311, double-tooth planet gears 312, a fixed inner gear ring 313, a movable inner gear ring 314 and a planet support 315, the planetary gear train mechanism comprises at least two double-tooth planet gears 312, the sun gear 311 is connected with the fixed shaft gear train 2, one side of the inner side of each double-tooth planet gear 312 is meshed with the outer side of the sun gear 311, one side of the outer side of each double-tooth planet gear 312 is meshed with the inner side of the fixed inner gear ring 313, the other side of the outer side of each double-tooth planet gear 312 is meshed with the inner side of the movable inner gear ring 314, and the planet support 315 is connected with all the double-tooth planet gears 312; the reduction is achieved by the cooperation of the sun wheel 311, the double-pinion planet wheels 312 and the planet carrier 315.
The speed reduction output shaft 4 penetrates through the fixed gear train 2 and the speed reduction mechanism 3, the load of the speed reduction output shaft 4 can be increased, the speed reduction output shaft 4 is parallel to the motor shaft 11, the space size of the speed reduction motor 100 can be reduced, and preferably, the motor body 1 and the speed reduction mechanism 3 are both positioned on the same side of the speed reduction output shaft 4, so that the overall axial size of the speed reduction motor 100 is reduced, in other embodiments, the motor body 1 and the speed reduction mechanism 3 can also be respectively positioned on two sides of the speed reduction output shaft 4, the speed reduction output shaft 4 is fixedly connected with the movable inner gear ring 314, and the torque is output through the movable inner gear ring 314.
Referring to fig. 1 specifically, the fixed-axis gear train 2 drives the sun gear 311 to rotate, the sun gear 311 drives the dual-tooth planet gears 312 to rotate, the planet support 315 is configured to support all the dual-tooth planet gears 312, one side of the outer side of the dual-tooth planet gears 312 is engaged with the inner side of the fixed inner gear ring 313 and output through the dual-tooth planet gears 312, the other side of the outer side of the dual-tooth planet gears 312 is engaged with the inner side of the movable inner gear ring 314, and the movable inner gear ring 314 is fixedly connected with the reduction output shaft 4 and output through the movable inner gear ring 314.
The utility model provides a gear motor 100, through setting up reduction output shaft 4 with motor shaft 11 is parallel, reducible gear motor 100's space size, and preferred motor body 1 and reduction gears 3 all lie in same one side of reduction output shaft 4, so, reduce gear motor 100's whole axial dimensions, realize slowing down through planetary gear train mechanism, can realize great reduction ratio, and then through gear motor 100's load capacity, just reduction output shaft 4 runs through decide axle train 2 with reduction gears 3 can increase reduction output shaft 4's load.
Preferably, the fixed gear train 2 comprises a first gear 21 and a second gear 22 engaged with the first gear 21, the central axis of the first gear 21 and the central axis of the second gear 22 are both parallel to the speed reduction output shaft 4, the first gear 21 is connected with the motor shaft 11, and the second gear 22 is connected with the sun gear 311, so that the motor body 1 and the speed reduction mechanism 3 are both located on the same side of the speed reduction output shaft 4.
Preferably, the second gear 22 and the sun gear 311 are dual gears, and referring to fig. 1, the second gear 22 and the sun gear 311 form a dual gear, which can stably transmit torque.
Preferably, at least one third gear 23 is engaged between the first gear 21 and the second gear 22, and when the distance between the motor shaft 11 and the reduction output shaft 4 is constant, the space occupied by the first gear 21, the second gear 22 and the third gear 23 is smaller than the space occupied by the first gear 21 and the second gear 22, more than one third gear 23 may be provided, and the second gear 22 and the third gear 23 may be provided as duplicate gears, respectively.
Preferably, the reduction motor 100 further includes a position member 5 provided at an end portion of the reduction output shaft 4 for measuring a rotation speed or a deflection angle of the reduction output shaft 4, and the reduction output shaft 4 is connected to a center of the position member 5. The position element 5 may be formed integrally with the reduction output shaft 4 or fixedly connected to the reduction output shaft 4.
Preferably, the position element 5 is laterally cut out in the axial direction from a cylindrical part and forms a light-sensing surface extending in the axial direction. Referring to fig. 2(1) and 2(2), if a potentiometer is used, the resistance on the rotary potentiometer changes to sense the angle change, and if a light sensor is used, the rotation speed can be sensed when the plane reflection is received.
Preferably, the position element 5 comprises a plurality of magnetic pole parts 51 connected in the circumferential direction, and the adjacent magnetic pole parts 51 have opposite magnetic poles, and referring to fig. 3, the NS pole separates the magnetic pole parts 51 to give a magnetic signal to the magnetic induction element, so that the angle and the speed can be recognized.
Preferably, the position element 5 includes a plurality of magnetic pole parts 51 arranged at intervals along the circumferential direction, referring to fig. 4, the position element 5 includes a fixed plate 53, a plurality of mounting holes are formed on the fixed plate 53 at intervals along the circumferential direction, and the magnetic pole parts 51 can be round or square magnets 52 which are embedded on the mounting holes to form magnetic poles.
Preferably, the position element 5 is a grating structure, the grating structure includes a fixed disk 53 ', a plurality of grooves 530 are formed around the fixed disk 53 ' and arranged at intervals along the circumferential direction, the speed-reducing output shaft 4 is connected to the central position of the fixed disk 53 ', and referring to fig. 5, the light sensor recognizes whether light penetrates through the fixed disk to achieve the rotation speed and the angular position signal.
The center of the fixed disk 53/53 'is provided with a central hole 531/531' for the speed reduction output shaft 4 to pass through.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. A gear motor is characterized in that: the reduction motor includes:
a motor body including a motor shaft;
the ordinary gear train is connected to the motor shaft and used for transmitting the torque of the motor body;
the speed reducing mechanism is a planetary gear train mechanism, the planetary gear train mechanism comprises a sun gear, dual-tooth planet gears, a fixed inner gear ring, a movable inner gear ring and a planet support, the planetary gear train mechanism comprises at least two dual-tooth planet gears, the sun gear is connected with the fixed gear train, one side of the inner side of each dual-tooth planet gear is meshed with the outer side of the sun gear, one side of the outer side of each dual-tooth planet gear is meshed with the inner side of the fixed inner gear ring, the other side of the outer side of each dual-tooth planet gear is meshed with the inner side of the movable inner gear ring, and the planet support is connected with all the dual-tooth planet gears;
the speed reduction output shaft penetrates through the fixed shaft gear train and the speed reduction mechanism, the speed reduction output shaft is parallel to the motor shaft, and the speed reduction output shaft is fixedly connected with the movable inner gear ring.
2. The geared motor according to claim 1, wherein: the ordinary gear train includes first gear and with first gear engagement's second gear, first gear with the motor shaft is connected, the second gear with the sun gear is connected.
3. The geared motor according to claim 2, wherein: the second gear and the sun gear are duplicate gears.
4. The geared motor according to claim 2, wherein: at least one third gear is meshed between the first gear and the second gear.
5. The geared motor according to claim 1, wherein: the motor body and the speed reducing mechanism are both positioned on the same side of the speed reducing output shaft.
6. The geared motor according to claim 1, wherein: the speed reducing motor further comprises a position element which is arranged at the end part of the speed reducing output shaft and used for measuring the rotating speed or the deflection angle of the speed reducing output shaft, and the speed reducing output shaft is connected to the center of the position element.
7. The geared motor according to claim 6, wherein: the position element is cut out of a side portion in the axial direction by a cylindrical member and forms a photosensitive surface extending in the axial direction.
8. The geared motor according to claim 6, wherein: the position element comprises a plurality of magnetic pole parts which are connected along the circumferential direction, and the magnetic poles of the adjacent magnetic pole parts are opposite; alternatively, the first and second electrodes may be,
the position element includes a plurality of circumferentially spaced pole pieces.
9. The geared motor according to claim 6, wherein: the position element is of a grating structure, the grating structure comprises a fixed disk, a plurality of grooves which are arranged at intervals along the circumferential direction are formed in the periphery of the fixed disk, and the speed reduction output shaft is connected to the center of the fixed disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021362509.8U CN213185779U (en) | 2020-07-10 | 2020-07-10 | Speed reducing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021362509.8U CN213185779U (en) | 2020-07-10 | 2020-07-10 | Speed reducing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213185779U true CN213185779U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021362509.8U Active CN213185779U (en) | 2020-07-10 | 2020-07-10 | Speed reducing motor |
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| CN (1) | CN213185779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864403A (en) * | 2021-10-19 | 2021-12-31 | 东莞皓永汽车配件有限公司 | Cover plate driving device of automobile |
-
2020
- 2020-07-10 CN CN202021362509.8U patent/CN213185779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864403A (en) * | 2021-10-19 | 2021-12-31 | 东莞皓永汽车配件有限公司 | Cover plate driving device of automobile |
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